Last modified on 20 May 2014, at 21:23



Etymology 1Edit

From Proto-Indo-European *bʰeydʰ-. Cognate to Latin fidēs, Latin fīdus and Proto-Germanic *bīdaną.


foedus n (genitive foederis); third declension

  1. treaty, agreement, contract
  2. league
  3. pact, compact

Third declension neuter.

Number Singular Plural
nominative foedus foedera
genitive foederis foederum
dative foederī foederibus
accusative foedus foedera
ablative foedere foederibus
vocative foedus foedera
Derived termsEdit

Etymology 2Edit

From Proto-Indo-European *bʰoyǝ- (to frighten; be afraid). Compare Old English bǣdan (to defile). More at bad.


foedus m (feminine foeda, neuter foedum); first/second declension

  1. (physically) filthy, foul, disgusting, loathsome, ugly, unseemly, detestable, abominable, horrible
  2. (mentally) disgraceful, vile, obscene, base, dishonorable, shameful, infamous, foul

First/second declension.

Number Singular Plural
Case \ Gender Masculine Feminine Neuter Masculine Feminine Neuter
nominative foedus foeda foedum foedī foedae foeda
genitive foedī foedae foedī foedōrum foedārum foedōrum
dative foedō foedae foedō foedīs foedīs foedīs
accusative foedum foedam foedum foedōs foedās foeda
ablative foedō foedā foedō foedīs foedīs foedīs
vocative foede foeda foedum foedī foedae foeda
Derived termsEdit
  • Old Portuguese: feo
  • Portuguese: feio
  • Spanish: feo